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A multiple transistor combination low-voltage curvature-corrected bandgap reference 被引量：4

A multiple transistor combination low-voltage curvature-corrected bandgap reference
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摘要 A new bandgap reference（BGR） curvature compensation technology is proposed,which is a kind of multiple transistor combination.On the basis of the existing first-order bandgap reference technology,a compensation current circuit consisting of a sink current branch and a source current branch is added.The BGR was designed and simulated by using Semiconductor Manufacturing International Corporation（SMIC） 0.18μm CMOS process.The simulation results showed that when the power supply voltage was 1 V,the temperature coefficient of the BGR was 2.08 ppm/℃with the temperature range from—40 to 125℃,the power supply rejection ratio （PSRR） was—64.77 dB and the linear regulation was 0.44 mV/V with the supply power changing from 0.85 to 1.8 V. A new bandgap reference（BGR） curvature compensation technology is proposed,which is a kind of multiple transistor combination.On the basis of the existing first-order bandgap reference technology,a compensation current circuit consisting of a sink current branch and a source current branch is added.The BGR was designed and simulated by using Semiconductor Manufacturing International Corporation（SMIC） 0.18μm CMOS process.The simulation results showed that when the power supply voltage was 1 V,the temperature coefficient of the BGR was 2.08 ppm/℃with the temperature range from—40 to 125℃,the power supply rejection ratio （PSRR） was—64.77 dB and the linear regulation was 0.44 mV/V with the supply power changing from 0.85 to 1.8 V.
作者 苏凯 龚敏 秦怀斌 孙晨
机构地区 College of Physical Science and Technology Key Laboratory of Micro-Electronics Technology of Sichuan Province State Key Laboratory of Electronic Thin Films and Integrated Devices
出处 《Journal of Semiconductors》 EI CAS CSCD 2013年第6期152-156,共5页 半导体学报（英文版）
关键词 bandgap reference temperature coefficient multiple transistor combination PSRR line regulation bandgap reference temperature coefficient multiple transistor combination PSRR line regulation
分类号 TN43 [电子电信—微电子学与固体电子学]
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二级参考文献11

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共引文献3

同被引文献18

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Journal of Semiconductors
2013年 第6期

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